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The HL1-D Dual Spectrum Yellow-Green and IR LED Helmet Light from Surefire is a versatile hands-free light that provides visible yellow-green light or IR illumination with an IR Identify Friend or Foe (IFF) beacon for identification to friendly forces using NVDs. The light features three yellow-green LEDs offering up to 19.2 lumens for tasks, or two IR LEDs with a maximum output of 2.5 lumens that act as an IR illuminator for use with NVDs. The light output is controlled using two toggle switches. The first switch turns the IR IFF beacon on and off. A second switch controls the light or IR emitters and turns them off. A pressure switch on the face of the light controls the intensity of the light chosen. Pressing the button cycles through the low, medium and high levels. The light attaches to any Modular Integrated Communications Helmet (MICH) via an included ambidextrous mount with 20 preset positions that allow the light to be rotated 360° when attached. Built for durability, the fiberglass-reinforced nylon polymer body is o-ring and gasket sealed to be waterproof.

Light Performance

Low:

Yellow-Green: 1.4, IR: 0.3 lumensMedium:

Yellow-Green: 5.0, IR:0.8 lumensHigh:

Yellow-Green: 19.2, IR:2.5 lumens

3 x Yellow-Green LED, 2 x IR LEDs, 1 x IR LED

Yellow-Green LEDs for tasks, reading, and general purpose

IR LEDs for an IR illuminator for use with NVDs

IR LED acts as an IFF beacon for easy identification by friendly-forces using NVDs

Switching

Location: Back of light and face

Type: 2 x multi-position toggle, 1 x pressure

Toggle #1: Turn IR IFF beacon On/Off

Toggle #2: Turn on either yellow-green visible light or IR illuminator and turn it off

Pressure switch: Cycle through the output intensity levels

Construction Details

Hands-free operation

Waterproof, o-ring and gasket sealed

Fiberglass reinforced nylon polymer and neoprene

Easily removable for servicing, transfer to other helmets

Attaches to any Modular Integrated Communications Helmet (MICH) using an included ambidextrous mount with 20 preset click-stop positions that allow the light to be rotated 360°